Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 45° 36° 90° 42° 45° 36° 90° 42° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 400 Ω 160 Ω 200 Ω 800 Ω 400 Ω 160 Ω 200 Ω 800 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 2 4 5 8 2 4 5 8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 140 MWhr 130.2 MWhr 120 MWhr 135.3 MWhr 140 MWhr 130.2 MWhr 120 MWhr 135.3 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 5 MW 15 MW 20 MW 10 MW 5 MW 15 MW 20 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The area under a flow duration curve represents total of units of energy available. total power available. maximum rate of run-off during the period. total quantity of run-off during that period. total of units of energy available. total power available. maximum rate of run-off during the period. total quantity of run-off during that period. ANSWER DOWNLOAD EXAMIANS APP